The seal of fall ill showed live in solitude,float water surface,shed tears,appetite jaded in infected patch. Using 0 .55mg/kg Cu- so4and 0 .2 mg/kg Feso4mixture dipping 1 2 h at one day intervals.
病海豹表现为离群独居、漂浮水面、流泪眨眼、食欲减退、感染区被毛脱落并覆盖一层白色薄膜。
参考来源 - 海豹体表纤毛虫病的发现和治疗·2,447,543篇论文数据,部分数据来源于NoteExpress
If you swim in a river or lake, be sure to investigate what is below the water surface.
如果你在河里或者湖里游泳,一定要弄清楚水面下有什么。
Sunglint typically lends a bright, or washed out appearance to the water surface.
日斑一般会在水体表面留下明亮的白斑。
Sunglint is caused by sunlight reflecting off of a water surface directly towards the observer—much as light reflects from a mirror.
太阳反辉是阳光被水面直接反射到观察者眼中而形成的——就像被镜子反射出的光一样。
Scientists have long believed that Earth's satellite lacks the ability to hold water near its surface because it has no atmosphere.
VOA: special.2009.09.30
because when you're up on that point, you see anything that's in the water, anything close to the surface and,
因为当你站在那里的高处,你能看到贴近水面的一切,而且,
NASA used its Lunar Crater Observing and Sensing Satellite,or LCROSS, to look for water deep beneath the lunar surface.
VOA: special.2009.12.30
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